Papulosquamous

Question 1

What bug is associated w/ seborrheic dermatitis? Thus the tx is?

Answer 1

P ovale (yeast)

Anti-fungals

Question 2

What bug is associated w/ erythrasma? Give the bugs morph too.

Answer 2

Corynebacterium minutissimum

- G+ rod normal flora

Question 3

What distinguishes tinea infection from erythrasma?

Answer 3

Erythrasma has a positive wood’s lamp test!

Question 4

What infection is lichen planus associated w/?

Answer 4

Hep C

Question 5

Lichen planus is associated w/ what CA?

Answer 5

SCC of oral mucosa

Question 6

What seasons does Pityriasis Rosea predominate in?

Answer 6

Spring and fall

Question 7

The most common cause of a tinea infection is?

Answer 7

T rubrum

Question 8

Reddish-orange scaling plaques on the palms and soles of a pt is what?

Answer 8

Pityriasis Rubra Pilaris

Question 9

What’s the genetic component of pityriasis rubra pilaris?

Answer 9

Autosomal dominant

Question 10

What color of the lesions in CTCL (mycosis fungoides)?

Answer 10

Red/brown, the colors vary from lesion to lesion

Question 11

What’s something to check for in a pt you may think has CTCL?

Answer 11

LAD

Question 12

What CA is discoid lupus erythematosus associated w/?

Answer 12

SCC arising from chronic lesions

Question 13

What’s the probably pathophys of discoid lupus erythematosus? What’s the lesion like?

Answer 13

UV light induced heath shock proteins

Scarring dermatosis that’s photosensitive (pt is sun allergic)

Question 14

Discoid Lupus Erythematosus is found where on the body?

Answer 14

Face, ears, scalp

Question 15

What’s the Jarisch-Herxheimer reaction and what’s it associated w/?

Answer 15

Reaction to the death of bacteria (bacteria release toxins)

Drug erruption